Precise spatiotemporal imaging of transition states in unimolecular reactions
| Project/Area Number |
15KT0060
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Multi-year Fund |
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| Section | 特設分野 |
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| Research Field |
Transition State Control
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| Research Institution | Tokyo Institute of Technology |
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Principal Investigator |
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| Project Period (FY) |
2015-07-10 – 2019-03-31
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| Project Status |
Completed (Fiscal Year 2018)
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| Budget Amount *help |
¥18,070,000 (Direct Cost: ¥13,900,000、Indirect Cost: ¥4,170,000)
Fiscal Year 2018: ¥3,120,000 (Direct Cost: ¥2,400,000、Indirect Cost: ¥720,000)
Fiscal Year 2017: ¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2016: ¥5,720,000 (Direct Cost: ¥4,400,000、Indirect Cost: ¥1,320,000)
Fiscal Year 2015: ¥5,200,000 (Direct Cost: ¥4,000,000、Indirect Cost: ¥1,200,000)
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| Keywords | コヒーレント制御 / 遷移状態 / 量子波束 / 固有状態 / イオンイメージング / 分子クラスター / 単分子反応 / チャープパルス / イメージング |
|---|
| Outline of Final Research Achievements |
The fates of chemical reactions are determined by arrangement and motion of atoms in the transition-state region, and experimental characterization of wave functions near the transition states is of significant importance. This research project has aimed to visualize wave functions or probability distributions pertinent to molecular vibration and rotation, and we have constructed a new two-dimensional ion imaging setup with novel concept for monitoring the arrangement of atoms in molecules. Its high spatial and temporal resolution as well as high data throughput has allowed us to unveil quantum-mechanical behavior of unidirectionally rotating molecular ensembles. Rotational eigenstates of electronically excited molecules have also been visualized and spectroscopic investigation on molecular clusters has been conducted via spatiotemporal tracking of rotational and intermolecular motion of the clusters.
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| Academic Significance and Societal Importance of the Research Achievements |
本研究課題は、もっぱら理論計算の結果としてのみ表示されてきた波動関数や存在確率分布という存在を実際に測定された物理量として提示するものである。この結果は、科学に興味を持つ一般の方々に対してまでも躍動する分子の姿をvividに伝えるものであり、そのインパクトは物質科学全領域をカバーする。また、分子運動に関する波動関数の時空間発展を実験的に計測することにより、振動や回転のエネルギー準位を明らかにし、分子構造や相互作用ポテンシャルまでも特定する道を拓いたという点でも、大きな意義を有する。
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Report
(5 results)
Research Products
(72 results)
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[Presentation] 気相分子のキラル選別2016
Author(s)
大島康裕
Organizer
豊田理研ワークショップ「キラル対象系の電磁応答」
Place of Presentation
トヨタ産業技術記念館、名古屋市
Year and Date
2016-11-18
Related Report
Invited
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